Thank you for the quick replay and the useful information about the casing, switches and battery.
Thats a great news! For that price and with functionality developed by you i think it will be the best choice to buy.
Electronics and caving are my hobbys so self made devices have more like a...
Hi Tobias,
You are doing a great job on this reasearch! I read this thread from begining til end and backwards. I started my own project in building a helmet lamp based on leds firstly for me, then if I stabilise the prototype for my buddys from our caving club.
I managed to buld the...